STOCKHOLM, Sweden--(BUSINESS WIRE)--Meda (STO:MEDAA) and Cipla Ltd, a leading pharma company in India, have expanded the existing long term collaboration agreement for the combination of azelastine and fluticasone. Azelastine is an antihistamine and fluticasone a corticosteroid; both are indicated for nasal treatment of allergic rhinitis. As mono substances (in the antihistamine and corticosteroid markets respectively) they have leading positions in the U.S. In the future, a combination of azelastine and fluticasone in a nasal formulation, may give patients with allergic rhinitis a more effective treatment than current therapies.